Claviger

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Infraclassis: Neoptera
Cladus: Eumetabola
Cladus: Endopterygota
Superordo: Coleopterida
Ordo: Coleoptera
Subordo: Polyphaga
Infraordo: Staphyliniformia
Superfamilia: Staphylinoidea

Familia:Staphylinidae
Subfamilia: Pselaphinae
Supertribus: Clavigeritae
Tribus: Clavigerini
Subtribus: Clavigerina
Genus: Claviger
Species: Claviger testaceus
Subspecies: C. t. perezii – C. t. persicus
Name

Claviger (Claviger) testaceus Preyssler, 1790: 68
Synonymy

Claviger foveolatus Müller, P.W.J., 1818: 75
Claviger (Claviger) devillei Jeannel, 1950: 67

Native distribution areas

Europe (AU BE BH BU BY CZ DE EN FI FR GB GE GR HU IR IT LA LT NL NR PL PT RO SK SL SP SV SZ UK YU, Russia (European), Iran.
References
Primary references

Preyssler, J.D. 1790. Verzeichniss böhmischer Insecten. Erstes Hundert. Prag: Schönfeld-Meissnerische Buchhandlung, 108 pp., 2 pl. [original description: p. 68]

Additional references

I.Löbl & A.Smetana (eds). 2004. Catalogue of Palearctic Coleoptera. Vol. 2: Hydrophiloidea-Staphylinoidea. Apollo Books, Stenstrup, Denmark ISBN 87-88757-74-9 p. 282
Borowiec ML, Ruta R, Kubisz D. 2010. New records of Claviger testaceus Preyssler, 1790 and C. longicornis Müller, 1818 (Coleoptera: Staphylinidae: Pselaphinae) in Poland with review of their habits. Polskie Pismo Entomologiczne 79:261–269. PDF
Jałoszyński, P., Luo, X-Z. & Beutel, R.G. 2020. Profound head modifications in Claviger testaceus (Pselaphinae, Staphylinidae, Coleoptera) facilitate integration into communities of ants. Journal of morphology (Online edition). DOI: 10.1002/jmor.21232 Paywall Reference page.
Krüger E. 1910. Beiträge zur Anatomie und Biologie des Claviger testaceus Preyssl. Zeitschrift für wissenschaftliche Zoologie. 95 (2):327–381.